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#!/bin/bash
#
# Copyright (C) 2021 Masatake YAMATO <yamato@redhat.com>
#
# This file is part of util-linux.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This file is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
TS_TOPDIR="${0%/*}/../.."
TS_DESC="directory"
. $TS_TOPDIR/functions.sh
ts_init "$*"
ts_check_test_command "$TS_CMD_LSFD"
ts_check_test_command "$TS_HELPER_MKFDS"
ts_check_prog "stat"
ts_check_prog "id"
ts_check_prog "sed"
ts_cd "$TS_OUTDIR"
PID=
FD=3
EXPR=
{
coproc MKFDS { "$TS_HELPER_MKFDS" directory $FD; }
if read -u ${MKFDS[0]} PID; then
EXPR='(PID == '"${PID}"') and (FD == '"$FD"')'
${TS_CMD_LSFD} -n -o ASSOC,MODE,TYPE,FLAGS,NAME -Q "${EXPR}" | {
#
# Normalize the output:
#
# See https://github.com/util-linux/util-linux/issues/1511#issuecomment-1029968595
# It seems that syscalls opening a directory on mips64 GNU/Linux take the
# O_LARGEFILE flag.
#
sed -e 's/largefile,\|,largefile//'
}
echo 'ASSOC,MODE,TYPE,FLAGS,NAME': $?
LSFD_PID=$(${TS_CMD_LSFD} --raw -n -o PID -Q "${EXPR}")
echo 'PID[RUN]:' $?
[ "${LSFD_PID}" == "${PID}" ]
echo 'PID[STR]:' $?
LSFD_INODE=$(${TS_CMD_LSFD} --raw -n -o INODE -Q "${EXPR}")
echo 'INODE[RUN]:' $?
[ "${LSFD_INODE}" == "$(stat -c %i /)" ]
echo 'INODE[STR]:' $?
LSFD_UID=$(${TS_CMD_LSFD} --raw -n -o UID -Q "${EXPR}")
echo 'UID[RUN]:' $?
[ "${LSFD_UID}" == $(id -u) ]
echo 'UID[STR]:' $?
LSFD_USER=$(${TS_CMD_LSFD} --raw -n -o USER -Q "${EXPR}")
echo 'USER[RUN]:' $?
[ "${LSFD_USER}" == $(id -u -n) ]
echo 'USER[STR]:' $?
LSFD_NLINK=$(${TS_CMD_LSFD} --raw -n -o NLINK -Q "${EXPR}")
echo 'NLINK[RUN]:' $?
if [ "${LSFD_NLINK}" == $(stat -c %h /) ]; then
echo 'NLINK[STR]:' 0
else
echo 'NLINK[STR]:' 1
echo 'LSFD_NLINK:' "${LSFD_NLINK}"
echo 'stat reports:' "$(stat -c %h /)"
fi
kill -CONT ${PID}
wait ${MKFDS_PID}
fi
} > $TS_OUTPUT 2>&1
ts_finalize
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